"Neil K." schrieb:
>
> At 8:45 AM -0400 6/24/01, Julian Loke wrote:
> >I was interested to read about:
> > EF 17-35mm L;
> > EF 20mm;
> >http://foto.no/nikon/lens_others.html
>
> Hm. He didn't like the Canon 20mm at all. Anyone agree with him?
> Shame he didn't also test the 20-35mm 3.5-4.5.
>
Hmm, I really like my 20mm lens. While there may be a glimpse of truth
in some of his findings, I don't find it *that* bad. Corner sharpness
is way better than my 20-35L will ever be, same goes for light falloff.
Honestly, since I bought this used 20mm prime, my 20-35L doesn't see
much use anymore. Of course, different people have different meanings
on what can be expected from a lens. Realistically, I wouldn't expect
a 20mm lens to show no light falloff, neither stopped down nor wide open.
I don't have the formulae handy, but I think about two full stops of
falloff would be "normal" for a classical lens design 20mm. It is less,
IMHO, for the EOS 20mm prime, due to the retrofocus design.
Thomas Bantel
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